Group By Multiple Columns
Use an anonymous type.
Eg
group x by new { x.Column1, x.Column2 }
Procedural sample:
.GroupBy(x => new { x.Column1, x.Column2 })
Use an anonymous type.
Eg
group x by new { x.Column1, x.Column2 }
Procedural sample:
.GroupBy(x => new { x.Column1, x.Column2 })